Dmitry Roo

public class Main {
    public static void main(String[] args) throws Exception {
        String inputFile = "", outputFile = "";
        String res = Files.lines(Paths.get(inputFile))
                .map(line -> new int[]{
                        Integer.parseInt(line.split(" ")[0]),
                        Integer.parseInt(line.split(" ")[1])}
                ).reduce((identity, accumulator) -> new int[]{
                        identity[0] + accumulator[0],
                        identity[1] + accumulator[1]
                }).map(resArr -> {
                    if (resArr[0] > resArr[1]) return "1";
                    if (resArr[0] < resArr[1]) return "2";
                    return "DRAW";
                }).get();

        PrintWriter printWriter = new PrintWriter(outputFile);
        printWriter.write(res);
        printWriter.close();
    }
}

Signals that a method has been invoked at an illegal or inappropriate time. In other words, the Java environment or Java application is not in an appropriate state for the requested operation.